#include <stdio.h>
int max_2(int a,int b){
	if(a>b)	return a;
	else return b;
}
int max_3(int a,int b,int c){
	int temp=max_2(a,b);
	temp=max_2(temp,c);
	return temp;
}
int main(){
	int a,b,c;
	scanf("%d%d%d",&a,&b,&c);
	printf("%d\n",max_3(a,b,c));
	return 0;
}
